# name : rpact getSampleSizeRates ratio
# key : rpact.getSampleSizeRates.ratio
# contributor: Shuguang Sun
# --
getSampleSizeRates(groups = ${1:1}, alpha = 0.025, sided = 1, beta = 0.1,
              normalApproximation = FALSE, riskRatio = TRUE, thetaH0 = 1,
              pi1 = ${2:active}, pi2 = ${3:reference},
              allocationRatioPlanned = ${4:NA})
